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trunk/xvidcore/src/xvid.h revision 315, Fri Jul 19 11:15:21 2002 UTC branches/release-1_3-branch/xvidcore/src/xvid.h revision 2053, Fri Nov 4 15:23:46 2011 UTC
# Line 1  Line 1 
1  /*****************************************************************************  /*****************************************************************************
2  *  *
3  *  XVID MPEG-4 VIDEO CODEC  *  XVID MPEG-4 VIDEO CODEC
4  *  - XviD Main header file -   * - Xvid Main header file -
5     *
6     *  Copyright(C) 2001-2011 Peter Ross <pross@xvid.org>
7  *  *
8  *  This program is free software ; you can redistribute it and/or modify  *  This program is free software ; you can redistribute it and/or modify
9  *  it under the terms of the GNU General Public License as published by  *  it under the terms of the GNU General Public License as published by
# Line 17  Line 19 
19  *  along with this program ; if not, write to the Free Software  *  along with this program ; if not, write to the Free Software
20  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
21  *  *
22  *****************************************************************************/   * $Id$
 /*****************************************************************************  
 *  
 *  History  
 *  
 *  - 2002/06/13 Added legal header, ANSI C comment style (only for this header  
 *               as it can be included in a ANSI C project).  
 *  
 *               ToDo ? : when BFRAMES is defined, the API_VERSION should not  
 *                        be the same (3.0 ?)  
23  *  *
24  *  $Id: xvid.h,v 1.15 2002-07-19 11:15:21 albeu Exp $   ****************************************************************************/
 *  
 *****************************************************************************/  
   
25    
26  #ifndef _XVID_H_  #ifndef _XVID_H_
27  #define _XVID_H_  #define _XVID_H_
28    
29    
30  #ifdef __cplusplus  #ifdef __cplusplus
31  *  $Id: xvid.h,v 1.15 2002-07-19 11:15:21 albeu Exp $  extern "C" {
32  #endif  #endif
33    
34  /*****************************************************************************  /*****************************************************************************
35   * Global constants   * versioning
36   ****************************************************************************/   ****************************************************************************/
37    
38  /* API Version : 2.1 */  /* versioning
39  #define API_VERSION ((2 << 16) | (1))          version takes the form "$major.$minor.$patch"
40            $patch is incremented when there is no api change
41            $minor is incremented when the api is changed, but remains backwards compatible
42            $major is incremented when the api is changed significantly
43    
44            when initialising an xvid structure, you must always zero it, and set the version field.
45                    memset(&struct,0,sizeof(struct));
46                    struct.version = XVID_VERSION;
47    
48  /* Error codes */          XVID_UNSTABLE is defined only during development.
49  #define XVID_ERR_FAIL           -1          */
 #define XVID_ERR_OK                     0  
 #define XVID_ERR_MEMORY         1  
 #define XVID_ERR_FORMAT         2  
   
   
 /* Colorspaces */  
 #define XVID_CSP_RGB24  0  
 #define XVID_CSP_YV12   1  
 #define XVID_CSP_YUY2   2  
 #define XVID_CSP_UYVY   3  
 #define XVID_CSP_I420   4  
 #define XVID_CSP_RGB555 10  
 #define XVID_CSP_RGB565 11  
 #define XVID_CSP_USER   12  
 #define XVID_CSP_EXTERN      1004  // per slice rendering  
 #define XVID_CSP_YVYU   1002  
 #define XVID_CSP_RGB32  1000  
 #define XVID_CSP_NULL   9999  
   
 #define XVID_CSP_VFLIP  0x80000000      // flip mask  
50    
51    #define XVID_MAKE_VERSION(a,b,c) ((((a)&0xff)<<16) | (((b)&0xff)<<8) | ((c)&0xff))
52    #define XVID_VERSION_MAJOR(a)    ((char)(((a)>>16) & 0xff))
53    #define XVID_VERSION_MINOR(a)    ((char)(((a)>> 8) & 0xff))
54    #define XVID_VERSION_PATCH(a)    ((char)(((a)>> 0) & 0xff))
55    
56    #define XVID_MAKE_API(a,b)       ((((a)&0xff)<<16) | (((b)&0xff)<<0))
57    #define XVID_API_MAJOR(a)        (((a)>>16) & 0xff)
58    #define XVID_API_MINOR(a)        (((a)>> 0) & 0xff)
59    
60    #define XVID_VERSION             XVID_MAKE_VERSION(1,3,3)
61    #define XVID_API                 XVID_MAKE_API(4, 3)
62    
63    /* Bitstream Version
64     * this will be writen into the bitstream to allow easy detection of xvid
65     * encoder bugs in the decoder, without this it might not possible to
66     * automatically distinquish between a file which has been encoded with an
67     * old & buggy XVID from a file which has been encoded with a bugfree version
68     * see the infamous interlacing bug ...
69     *
70     * this MUST be increased if an encoder bug is fixed, increasing it too often
71     * doesnt hurt but not increasing it could cause difficulty for decoders in the
72     * future
73     */
74    #define XVID_BS_VERSION 65
75    
76  /*****************************************************************************  /*****************************************************************************
77   *  Initialization constants   * error codes
78   ****************************************************************************/   ****************************************************************************/
79    
80  /* CPU flags for XVID_INIT_PARAM.cpu_flags */          /*      all functions return values <0 indicate error */
   
 #define XVID_CPU_MMX            0x00000001  
 #define XVID_CPU_MMXEXT         0x00000002  
 #define XVID_CPU_SSE            0x00000004  
 #define XVID_CPU_SSE2           0x00000008  
 #define XVID_CPU_3DNOW          0x00000010  
 #define XVID_CPU_3DNOWEXT       0x00000020  
81    
82  #define XVID_CPU_TSC            0x00000040  #define XVID_ERR_FAIL           -1              /* general fault */
83    #define XVID_ERR_MEMORY         -2              /* memory allocation error */
84    #define XVID_ERR_FORMAT         -3              /* file format error */
85    #define XVID_ERR_VERSION        -4              /* structure version not supported */
86    #define XVID_ERR_END            -5              /* encoder only; end of stream reached */
87    
 #define XVID_CPU_IA64           0x00000080  
   
 #define XVID_CPU_CHKONLY        0x40000000              /* check cpu only; dont init globals */  
 #define XVID_CPU_FORCE          0x80000000  
88    
89    
90  /*****************************************************************************  /*****************************************************************************
91   *  Initialization structures   * xvid_image_t
92   ****************************************************************************/   ****************************************************************************/
93    
94          typedef struct  /* colorspace values */
95          {  
96                  int cpu_flags;  #define XVID_CSP_PLANAR   (1<< 0) /* 4:2:0 planar (==I420, except for pointers/strides) */
97                  int api_version;  #define XVID_CSP_USER     XVID_CSP_PLANAR
98                  int core_build;  #define XVID_CSP_I420     (1<< 1) /* 4:2:0 planar */
99          }  #define XVID_CSP_YV12     (1<< 2) /* 4:2:0 planar */
100          XVID_INIT_PARAM;  #define XVID_CSP_YUY2     (1<< 3) /* 4:2:2 packed */
101    #define XVID_CSP_UYVY     (1<< 4) /* 4:2:2 packed */
102    #define XVID_CSP_YVYU     (1<< 5) /* 4:2:2 packed */
103    #define XVID_CSP_RGB      (1<<16) /* 24-bit rgb packed */
104    #define XVID_CSP_BGRA     (1<< 6) /* 32-bit bgra packed */
105    #define XVID_CSP_ABGR     (1<< 7) /* 32-bit abgr packed */
106    #define XVID_CSP_RGBA     (1<< 8) /* 32-bit rgba packed */
107    #define XVID_CSP_ARGB     (1<<15) /* 32-bit argb packed */
108    #define XVID_CSP_BGR      (1<< 9) /* 24-bit bgr packed */
109    #define XVID_CSP_RGB555   (1<<10) /* 16-bit rgb555 packed */
110    #define XVID_CSP_RGB565   (1<<11) /* 16-bit rgb565 packed */
111    #define XVID_CSP_SLICE    (1<<12) /* decoder only: 4:2:0 planar, per slice rendering */
112    #define XVID_CSP_INTERNAL (1<<13) /* decoder only: 4:2:0 planar, returns ptrs to internal buffers */
113    #define XVID_CSP_NULL     (1<<14) /* decoder only: dont output anything */
114    #define XVID_CSP_VFLIP    (1<<31) /* vertical flip mask */
115    
116    /* xvid_image_t
117            for non-planar colorspaces use only plane[0] and stride[0]
118            four plane reserved for alpha*/
119    typedef struct {
120            int csp;                                /* [in] colorspace; or with XVID_CSP_VFLIP to perform vertical flip */
121            void * plane[4];                /* [in] image plane ptrs */
122            int stride[4];                  /* [in] image stride; "bytes per row"*/
123    } xvid_image_t;
124    
125    /* video-object-sequence profiles */
126    #define XVID_PROFILE_S_L0    0x08 /* simple */
127    #define XVID_PROFILE_S_L1    0x01
128    #define XVID_PROFILE_S_L2    0x02
129    #define XVID_PROFILE_S_L3    0x03
130    #define XVID_PROFILE_S_L4a   0x04
131    #define XVID_PROFILE_S_L5    0x05
132    #define XVID_PROFILE_S_L6    0x06
133    #define XVID_PROFILE_ARTS_L1 0x91 /* advanced realtime simple */
134    #define XVID_PROFILE_ARTS_L2 0x92
135    #define XVID_PROFILE_ARTS_L3 0x93
136    #define XVID_PROFILE_ARTS_L4 0x94
137    #define XVID_PROFILE_AS_L0   0xf0 /* advanced simple */
138    #define XVID_PROFILE_AS_L1   0xf1
139    #define XVID_PROFILE_AS_L2   0xf2
140    #define XVID_PROFILE_AS_L3   0xf3
141    #define XVID_PROFILE_AS_L4   0xf4
142    
143    /* aspect ratios */
144    #define XVID_PAR_11_VGA    1 /* 1:1 vga (square), default if supplied PAR is not a valid value */
145    #define XVID_PAR_43_PAL    2 /* 4:3 pal (12:11 625-line) */
146    #define XVID_PAR_43_NTSC   3 /* 4:3 ntsc (10:11 525-line) */
147    #define XVID_PAR_169_PAL   4 /* 16:9 pal (16:11 625-line) */
148    #define XVID_PAR_169_NTSC  5 /* 16:9 ntsc (40:33 525-line) */
149    #define XVID_PAR_EXT      15 /* extended par; use par_width, par_height */
150    
151    /* frame type flags */
152    #define XVID_TYPE_VOL     -1 /* decoder only: vol was decoded */
153    #define XVID_TYPE_NOTHING  0 /* decoder only (encoder stats): nothing was decoded/encoded */
154    #define XVID_TYPE_AUTO     0 /* encoder: automatically determine coding type */
155    #define XVID_TYPE_IVOP     1 /* intra frame */
156    #define XVID_TYPE_PVOP     2 /* predicted frame */
157    #define XVID_TYPE_BVOP     3 /* bidirectionally encoded */
158    #define XVID_TYPE_SVOP     4 /* predicted+sprite frame */
159    
160    
161  /*****************************************************************************  /*****************************************************************************
162   *  Initialization entry point   * xvid_global()
163   ****************************************************************************/   ****************************************************************************/
164    
165          int xvid_init(void *handle,  /* cpu_flags definitions (make sure to sync this with cpuid.asm for ia32) */
166                                    int opt,  
167                                    void *param1,  #define XVID_CPU_FORCE    (1<<31) /* force passed cpu flags */
168                                    void *param2);  #define XVID_CPU_ASM      (1<< 7) /* native assembly */
169    /* ARCH_IS_IA32 */
170    #define XVID_CPU_MMX      (1<< 0) /*       mmx : pentiumMMX,k6 */
171    #define XVID_CPU_MMXEXT   (1<< 1) /*   mmx-ext : pentium2, athlon */
172    #define XVID_CPU_SSE      (1<< 2) /*       sse : pentium3, athlonXP */
173    #define XVID_CPU_SSE2     (1<< 3) /*      sse2 : pentium4, athlon64 */
174    #define XVID_CPU_SSE3     (1<< 8) /*      sse3 : pentium4, athlon64 */
175    #define XVID_CPU_SSE41    (1<< 9) /*      sse41: penryn */
176    #define XVID_CPU_3DNOW    (1<< 4) /*     3dnow : k6-2 */
177    #define XVID_CPU_3DNOWEXT (1<< 5) /* 3dnow-ext : athlon */
178    #define XVID_CPU_TSC      (1<< 6) /*       tsc : Pentium */
179    /* ARCH_IS_PPC */
180    #define XVID_CPU_ALTIVEC  (1<< 0) /* altivec */
181    
182    
183    #define XVID_DEBUG_ERROR     (1<< 0)
184    #define XVID_DEBUG_STARTCODE (1<< 1)
185    #define XVID_DEBUG_HEADER    (1<< 2)
186    #define XVID_DEBUG_TIMECODE  (1<< 3)
187    #define XVID_DEBUG_MB        (1<< 4)
188    #define XVID_DEBUG_COEFF     (1<< 5)
189    #define XVID_DEBUG_MV        (1<< 6)
190    #define XVID_DEBUG_RC        (1<< 7)
191    #define XVID_DEBUG_DEBUG     (1<<31)
192    
193    /* XVID_GBL_INIT param1 */
194    typedef struct {
195            int version;
196            unsigned int cpu_flags; /* [in:opt] zero = autodetect cpu; XVID_CPU_FORCE|{cpu features} = force cpu features */
197            int debug;     /* [in:opt] debug level */
198    } xvid_gbl_init_t;
199    
200    
201    /* XVID_GBL_INFO param1 */
202    typedef struct {
203            int version;
204            int actual_version; /* [out] returns the actual xvidcore version */
205            const char * build; /* [out] if !null, points to description of this xvid core build */
206            unsigned int cpu_flags;      /* [out] detected cpu features */
207            int num_threads;    /* [out] detected number of cpus/threads */
208    } xvid_gbl_info_t;
209    
210    
211    /* XVID_GBL_CONVERT param1 */
212    typedef struct {
213            int version;
214            xvid_image_t input;  /* [in] input image & colorspace */
215            xvid_image_t output; /* [in] output image & colorspace */
216            int width;           /* [in] width */
217            int height;          /* [in] height */
218            int interlacing;     /* [in] interlacing */
219    } xvid_gbl_convert_t;
220    
221    
222    #define XVID_GBL_INIT    0 /* initialize xvidcore; must be called before using xvid_decore, or xvid_encore) */
223    #define XVID_GBL_INFO    1 /* return some info about xvidcore, and the host computer */
224    #define XVID_GBL_CONVERT 2 /* colorspace conversion utility */
225    
226    extern int xvid_global(void *handle, int opt, void *param1, void *param2);
227    
228    
229  /*****************************************************************************  /*****************************************************************************
230   * Decoder constants   * xvid_decore()
231   ****************************************************************************/   ****************************************************************************/
232    
233  /* Flags for XVID_DEC_FRAME.general */  #define XVID_DEC_CREATE  0 /* create decore instance; return 0 on success */
234  #define XVID_QUICK_DECODE               0x00000010  #define XVID_DEC_DESTROY 1 /* destroy decore instance: return 0 on success */
235    #define XVID_DEC_DECODE  2 /* decode a frame: returns number of bytes consumed >= 0 */
236    
237    extern int xvid_decore(void *handle, int opt, void *param1, void *param2);
238    
239    /* XVID_DEC_CREATE param 1
240            image width & height as well as FourCC code may be specified
241            here when known in advance (e.g. being read from container) */
242    typedef struct {
243            int version;
244            int width;      /* [in:opt] image width */
245            int height;     /* [in:opt] image width */
246            void * handle;  /* [out]    decore context handle */
247    /* ------- v1.3.x ------- */
248            int fourcc;     /* [in:opt] fourcc of the input video */
249            int num_threads;/* [in:opt] number of threads to use in decoder */
250    } xvid_dec_create_t;
251    
252    
253    /* XVID_DEC_DECODE param1 */
254    /* general flags */
255    #define XVID_LOWDELAY      (1<<0) /* lowdelay mode  */
256    #define XVID_DISCONTINUITY (1<<1) /* indicates break in stream */
257    #define XVID_DEBLOCKY      (1<<2) /* perform luma deblocking */
258    #define XVID_DEBLOCKUV     (1<<3) /* perform chroma deblocking */
259    #define XVID_FILMEFFECT    (1<<4) /* adds film grain */
260    #define XVID_DERINGUV      (1<<5) /* perform chroma deringing, requires deblocking to work */
261    #define XVID_DERINGY       (1<<6) /* perform luma deringing, requires deblocking to work */
262    
263    #define XVID_DEC_FAST      (1<<29) /* disable postprocessing to decrease cpu usage *todo* */
264    #define XVID_DEC_DROP      (1<<30) /* drop bframes to decrease cpu usage *todo* */
265    #define XVID_DEC_PREROLL   (1<<31) /* decode as fast as you can, don't even show output *todo* */
266    
267    typedef struct {
268            int version;
269            int general;         /* [in:opt] general flags */
270            void *bitstream;     /* [in]     bitstream (read from)*/
271            int length;          /* [in]     bitstream length */
272            xvid_image_t output; /* [in]     output image (written to) */
273    /* ------- v1.1.x ------- */
274            int brightness;          /* [in]         brightness offset (0=none) */
275    } xvid_dec_frame_t;
276    
277    
278    /* XVID_DEC_DECODE param2 :: optional */
279    typedef struct
280    {
281            int version;
282    
283            int type;                   /* [out] output data type */
284            union {
285                    struct { /* type>0 {XVID_TYPE_IVOP,XVID_TYPE_PVOP,XVID_TYPE_BVOP,XVID_TYPE_SVOP} */
286                            int general;        /* [out] flags */
287                            int time_base;      /* [out] time base */
288                            int time_increment; /* [out] time increment */
289    
290                            /* XXX: external deblocking stuff */
291                            int * qscale;       /* [out] pointer to quantizer table */
292                            int qscale_stride;  /* [out] quantizer scale stride */
293    
294                    } vop;
295                    struct {        /* XVID_TYPE_VOL */
296                            int general;        /* [out] flags */
297                            int width;          /* [out] width */
298                            int height;         /* [out] height */
299                            int par;            /* [out] pixel aspect ratio (refer to XVID_PAR_xxx above) */
300                            int par_width;      /* [out] aspect ratio width  [1..255] */
301                            int par_height;     /* [out] aspect ratio height [1..255] */
302                    } vol;
303            } data;
304    } xvid_dec_stats_t;
305    
306    #define XVID_ZONE_QUANT  (1<<0)
307    #define XVID_ZONE_WEIGHT (1<<1)
308    
309    typedef struct
310    {
311            int frame;
312            int mode;
313            int increment;
314            int base;
315    } xvid_enc_zone_t;
316    
317  /*****************************************************************************  
318   * Decoder structures  /*----------------------------------------------------------------------------
319     * xvid_enc_stats_t structure
320     *
321     * Used in:
322     *  - xvid_plg_data_t structure
323     *  - optional parameter in xvid_encore() function
324     *
325     * .coding_type = XVID_TYPE_NOTHING if the stats are not given
326     *--------------------------------------------------------------------------*/
327    
328    typedef struct {
329            int version;
330    
331            /* encoding parameters */
332            int type;      /* [out] coding type */
333            int quant;     /* [out] frame quantizer */
334            int vol_flags; /* [out] vol flags (see above) */
335            int vop_flags; /* [out] vop flags (see above) */
336    
337            /* bitrate */
338            int length;    /* [out] frame length */
339    
340            int hlength;   /* [out] header length (bytes) */
341            int kblks;     /* [out] number of blocks compressed as Intra */
342            int mblks;     /* [out] number of blocks compressed as Inter */
343            int ublks;     /* [out] number of blocks marked as not_coded */
344    
345            int sse_y;     /* [out] Y plane's sse */
346            int sse_u;     /* [out] U plane's sse */
347            int sse_v;     /* [out] V plane's sse */
348    } xvid_enc_stats_t;
349    
350    /*****************************************************************************
351      xvid plugin system -- internals
352    
353      xvidcore will call XVID_PLG_INFO and XVID_PLG_CREATE during XVID_ENC_CREATE
354      before encoding each frame xvidcore will call XVID_PLG_BEFORE
355      after encoding each frame xvidcore will call XVID_PLG_AFTER
356      xvidcore will call XVID_PLG_DESTROY during XVID_ENC_DESTROY
357   ****************************************************************************/   ****************************************************************************/
358    
359    
360    #define XVID_PLG_CREATE  (1<<0)
361    #define XVID_PLG_DESTROY (1<<1)
362    #define XVID_PLG_INFO    (1<<2)
363    #define XVID_PLG_BEFORE  (1<<3)
364    #define XVID_PLG_FRAME   (1<<4)
365    #define XVID_PLG_AFTER   (1<<5)
366    
367    /* xvid_plg_info_t.flags */
368    #define XVID_REQORIGINAL (1<<0) /* plugin requires a copy of the original (uncompressed) image */
369    #define XVID_REQPSNR     (1<<1) /* plugin requires psnr between the uncompressed and compressed image*/
370    #define XVID_REQDQUANTS  (1<<2) /* plugin requires access to the dquant table */
371    #define XVID_REQLAMBDA   (1<<3) /* plugin requires access to the lambda table */
372    
373          typedef struct          typedef struct
374          {          {
375                  int width;          int version;
376                  int height;          int flags;   /* [in:opt] plugin flags */
377                  void *handle;  } xvid_plg_info_t;
         }  
         XVID_DEC_PARAM;  
378    
379    
380          typedef struct          typedef struct
381          {          {
382                  int general;          int version;
383                  void *bitstream;  
384                  int length;          int num_zones;           /* [out] */
385            xvid_enc_zone_t * zones; /* [out] */
386                  void *image;  
387                  int stride;          int width;               /* [out] */
388                  int colorspace;          int height;              /* [out] */
389          }          int mb_width;            /* [out] */
390          XVID_DEC_FRAME;          int mb_height;           /* [out] */
391            int fincr;               /* [out] */
392            int fbase;               /* [out] */
393    
394            void * param;            /* [out] */
395    } xvid_plg_create_t;
396    
397    
         // This struct is used for per slice rendering  
398          typedef struct          typedef struct
399          {          {
400                  void *y,*u,*v;          int version;
                 int stride_y, stride_u,stride_v;  
         } XVID_DEC_PICTURE;  
401    
402            int num_frames; /* [out] total frame encoded */
403    } xvid_plg_destroy_t;
404    
405  /*****************************************************************************  typedef struct
406   * Decoder entry point  {
407   ****************************************************************************/          int version;
408    
409  /* decoder options */          xvid_enc_zone_t * zone; /* [out] current zone */
 #define XVID_DEC_DECODE         0  
 #define XVID_DEC_CREATE         1  
 #define XVID_DEC_DESTROY        2  
   
         int xvid_decore(void *handle,  
                                         int opt,  
                                         void *param1,  
                                         void *param2);  
410    
411            int width;              /* [out] */
412            int height;             /* [out] */
413            int mb_width;           /* [out] */
414            int mb_height;          /* [out] */
415            int fincr;              /* [out] */
416            int fbase;              /* [out] */
417    
418  /*****************************************************************************          int min_quant[3];       /* [out] */
419   * Encoder constants          int max_quant[3];       /* [out] */
420   ****************************************************************************/  
421            xvid_image_t reference; /* [out] -> [out] */
422            xvid_image_t current;   /* [out] -> [in,out] */
423            xvid_image_t original;  /* [out] after: points the original (uncompressed) copy of the current frame */
424            int frame_num;          /* [out] frame number */
425    
426            int type;               /* [in,out] */
427            int quant;              /* [in,out] */
428    
429            int * dquant;           /* [in,out]     pointer to diff quantizer table */
430            int dquant_stride;      /* [in,out]     diff quantizer stride */
431    
432            int vop_flags;          /* [in,out] */
433            int vol_flags;          /* [in,out] */
434            int motion_flags;       /* [in,out] */
435    
436  /* Flags for XVID_ENC_PARAM.global */          /* Lambda table for HVSPlugins */
437  #define XVID_GLOBAL_PACKED              0x00000001      /* packed bitstream */          float * lambda;         /* [in,out] six floats for each macroblock. read, multiply, write back */
 #define XVID_GLOBAL_DX50BVOP    0x00000002      /* dx50 bvop compatibility */  
 #define XVID_GLOBAL_DEBUG               0x00000004      /* print debug info on each frame */  
   
 /* Flags for XVID_ENC_FRAME.general */  
 #define XVID_VALID_FLAGS                0x80000000  
   
 #define XVID_CUSTOM_QMATRIX             0x00000004      /* use custom quant matrix */  
 #define XVID_H263QUANT                  0x00000010  
 #define XVID_MPEGQUANT                  0x00000020  
 #define XVID_HALFPEL                    0x00000040      /* use halfpel interpolation */  
 #define XVID_ADAPTIVEQUANT              0x00000080  
 #define XVID_LUMIMASKING                0x00000100  
 #define XVID_LATEINTRA                  0x00000200  
   
 #define XVID_INTERLACING                0x00000400      /* enable interlaced encoding */  
 #define XVID_TOPFIELDFIRST              0x00000800      /* set top-field-first flag  */  
 #define XVID_ALTERNATESCAN              0x00001000      /* set alternate vertical scan flag */  
   
 #define XVID_HINTEDME_GET               0x00002000      /* receive mv hint data from core (1st pass) */  
 #define XVID_HINTEDME_SET               0x00004000      /* send mv hint data to core (2nd pass) */  
   
 #define XVID_INTER4V                    0x00008000  
   
 #define XVID_ME_ZERO                    0x00010000  
 #define XVID_ME_LOGARITHMIC             0x00020000  
 #define XVID_ME_FULLSEARCH              0x00040000  
 #define XVID_ME_PMVFAST                 0x00080000  
 #define XVID_ME_EPZS                    0x00100000  
   
   
 #define XVID_GREYSCALE                  0x01000000      /* enable greyscale only mode (even for */  
 #define XVID_GRAYSCALE                  0x01000000      /* color input material chroma is ignored) */  
   
   
 /* Flags for XVID_ENC_FRAME.motion */  
 #define PMV_ADVANCEDDIAMOND8    0x00004000  
 #define PMV_ADVANCEDDIAMOND16   0x00008000  
 #define PMV_EARLYSTOP16                 0x00080000  
 #define PMV_QUICKSTOP16                 0x00100000      /* like early, but without any more refinement */  
 #define PMV_UNRESTRICTED16      0x00200000      /* unrestricted ME, not implemented */  
 #define PMV_OVERLAPPING16       0x00400000      /* overlapping ME, not implemented */  
 #define PMV_USESQUARES16                0x00800000  
   
 #define PMV_HALFPELDIAMOND8     0x01000000  
 #define PMV_HALFPELREFINE8              0x02000000  
 #define PMV_EXTSEARCH8                  0x04000000      /* extend PMV by more searches */  
 #define PMV_EARLYSTOP8                  0x08000000  
 #define PMV_QUICKSTOP8                  0x10000000      /* like early, but without any more refinement */  
 #define PMV_UNRESTRICTED8       0x20000000      /* unrestricted ME, not implemented */  
 #define PMV_OVERLAPPING8                0x40000000      /* overlapping ME, not implemented */  
 #define PMV_USESQUARES8                 0x80000000  
438    
439    /* Deprecated, use the stats field instead.
440     * Will disapear before 1.0 */
441            int length;             /* [out] after: length of encoded frame */
442            int kblks;              /* [out] number of blocks compressed as Intra */
443            int mblks;              /* [out] number of blocks compressed as Inter */
444            int ublks;              /* [out] number of blocks marked not_coded */
445            int sse_y;              /* [out] Y plane's sse */
446            int sse_u;              /* [out] U plane's sse */
447            int sse_v;              /* [out] V plane's sse */
448    /* End of duplicated data, kept only for binary compatibility */
449    
450            int bquant_ratio;       /* [in] */
451            int bquant_offset;      /* [in] */
452    
453            xvid_enc_stats_t stats; /* [out] frame statistics */
454    } xvid_plg_data_t;
455    
456  /*****************************************************************************  /*****************************************************************************
457   * Encoder structures    xvid plugin system -- external
458    
459      the application passes xvid an array of "xvid_plugin_t" at XVID_ENC_CREATE. the array
460      indicates the plugin function pointer and plugin-specific data.
461      xvidcore handles the rest. example:
462    
463      xvid_enc_create_t create;
464      xvid_enc_plugin_t plugins[2];
465    
466      plugins[0].func = xvid_psnr_func;
467      plugins[0].param = NULL;
468      plugins[1].func = xvid_cbr_func;
469      plugins[1].param = &cbr_data;
470    
471      create.num_plugins = 2;
472      create.plugins = plugins;
473    
474   ****************************************************************************/   ****************************************************************************/
475    
476          typedef struct  typedef int (xvid_plugin_func)(void * handle, int opt, void * param1, void * param2);
         {  
                 int width, height;  
                 int fincr, fbase;               /* frame increment, fbase. each frame = "fincr/fbase" seconds */  
                 int rc_bitrate;                 /* the bitrate of the target encoded stream, in bits/second */  
                 int rc_reaction_delay_factor;   /* how fast the rate control reacts - lower values are faster */  
                 int rc_averaging_period;        /* as above */  
                 int rc_buffer;                  /* as above */  
                 int max_quantizer;              /* the upper limit of the quantizer */  
                 int min_quantizer;              /* the lower limit of the quantizer */  
                 int max_key_interval;   /* the maximum interval between key frames */  
 #ifdef _SMP  
                 int num_threads;                /* number of threads */  
 #endif  
 #ifdef BFRAMES  
                 int global;                             /* global/debug options */  
                 int max_bframes;                /* max sequential bframes (0=disable bframes) */  
                 int bquant_ratio;               /* bframe quantizer multipier (percentage).  
                                                                  * used only when bquant < 1  
                                                                  * eg. 200 = x2 multiplier  
                                                                  * quant = ((past_quant + future_quant) * bquant_ratio)/200  
                                                                  */  
                 int frame_drop_ratio;   /* frame dropping: 0=drop none... 100=drop all */  
 #endif  
                 void *handle;                   /* [out] encoder instance handle */  
         }  
         XVID_ENC_PARAM;  
477    
478          typedef struct          typedef struct
479          {          {
480                  int x;          xvid_plugin_func * func;
481          }          void * param;
482          VECTOR;  } xvid_enc_plugin_t;
483    
         typedef struct  
         {  
                 int mode;                               /* macroblock mode */  
                 VECTOR mvs[4];  
         }  
         MVBLOCKHINT;  
484    
485          typedef struct  extern xvid_plugin_func xvid_plugin_single;   /* single-pass rate control */
486          {  extern xvid_plugin_func xvid_plugin_2pass1;   /* two-pass rate control: first pass */
487                  int intra;                              /* frame intra choice */  extern xvid_plugin_func xvid_plugin_2pass2;   /* two-pass rate control: second pass */
                 int fcode;                              /* frame fcode */  
                 MVBLOCKHINT *block;             /* caller-allocated array of block hints (mb_width * mb_height) */  
         }  
         MVFRAMEHINT;  
488    
489          typedef struct  extern xvid_plugin_func xvid_plugin_lumimasking;  /* lumimasking */
         {  
                 int rawhints;                   /* if set, use MVFRAMEHINT, else use compressed buffer */  
490    
491                  MVFRAMEHINT mvhint;  extern xvid_plugin_func xvid_plugin_psnr;       /* write psnr values to stdout */
492                  void *hintstream;               /* compressed hint buffer */  extern xvid_plugin_func xvid_plugin_dump;       /* dump before and after yuvpgms */
493                  int hintlength;                 /* length of buffer (bytes) */  
494          }  extern xvid_plugin_func xvid_plugin_ssim;           /*write ssim values to stdout*/
495          HINTINFO;  extern xvid_plugin_func xvid_plugin_psnrhvsm;   /*write psnrhvsm values to stdout*/
496    
497    
498    /* single pass rate control
499     * CBR and Constant quantizer modes */
500          typedef struct          typedef struct
501          {          {
502                  int general;                    /* [in] general options */          int version;
                 int motion;                             /* [in] ME options */  
                 void *bitstream;                /* [in] bitstream ptr */  
                 int length;                             /* [out] bitstream length (bytes) */  
503    
504                  void *image;                    /* [in] image ptr */          int bitrate;               /* [in] bits per second */
505                  int colorspace;                 /* [in] source colorspace */          int reaction_delay_factor; /* [in] */
506            int averaging_period;      /* [in] */
507            int buffer;                /* [in] */
508    } xvid_plugin_single_t;
509    
                 unsigned char *quant_intra_matrix;      // [in] custom intra qmatrix */  
                 unsigned char *quant_inter_matrix;      // [in] custom inter qmatrix */  
                 int quant;                              /* [in] frame quantizer (vbr) */  
                 int intra;                              /* [in] force intra frame (vbr only)  
                                                                  * [out] intra state  
                                                                  */  
                 HINTINFO hint;                  /* [in/out] mv hint information */  
510    
511  #ifdef BFRAMES  typedef struct {
512                  int bquant;                             /* [in] bframe quantizer */          int version;
 #endif  
513    
514          }          char * filename;
515          XVID_ENC_FRAME;  } xvid_plugin_2pass1_t;
516    
517    
518          typedef struct  #define XVID_PAYBACK_BIAS 0 /* payback with bias */
519          {  #define XVID_PAYBACK_PROP 1 /* payback proportionally */
520                  int quant;                              /* [out] frame quantizer */  
521                  int hlength;                    /* [out] header length (bytes) */  typedef struct {
522                  int kblks, mblks, ublks;        /* [out] */          int version;
523    
524            int bitrate;                  /* [in] target bitrate (bits per second) */
525            char * filename;              /* [in] first pass stats filename */
526    
527            int keyframe_boost;           /* [in] keyframe boost percentage: [0..100] */
528            int curve_compression_high;   /* [in] percentage of compression performed on the high part of the curve (above average) */
529            int curve_compression_low;    /* [in] percentage of compression performed on the low  part of the curve (below average) */
530            int overflow_control_strength;/* [in] Payback delay expressed in number of frames */
531            int max_overflow_improvement; /* [in] percentage of allowed range for a frame that gets bigger because of overflow bonus */
532            int max_overflow_degradation; /* [in] percentage of allowed range for a frame that gets smaller because of overflow penalty */
533    
534            int kfreduction;              /* [in] maximum bitrate reduction applied to an iframe under the kfthreshold distance limit */
535            int kfthreshold;              /* [in] if an iframe is closer to the next iframe than this distance, a quantity of bits
536                                                                       *      is substracted from its bit allocation. The reduction is computed as multiples of
537                                                                       *      kfreduction/kthreshold. It reaches kfreduction when the distance == kfthreshold,
538                                                                       *      0 for 1<distance<kfthreshold */
539    
540            int container_frame_overhead; /* [in] How many bytes the controller has to compensate per frame due to container format overhead */
541    
542    /* ------- v1.1.x ------- */
543            int vbv_size;                 /* [in] buffer size (bits) If this is zero, VBV check is disabled.*/
544            int vbv_initial;              /* [in] initial buffer occupancy (bits) */
545            int vbv_maxrate;              /* [in] max processing bitrate (bits per second) */
546            int vbv_peakrate;             /* [in:opt] max average bitrate over 1 second (bits per second).
547                                                                       *          This is used for diagnostics only and won't affect the actual peak bitrate.
548                                                                       *          This is not a problem as long as vbv_peakrate > vbv_size + vbv_maxrate which
549                                                                       *          guarantees that vbv_peakrate won't be exceeded. */
550    }xvid_plugin_2pass2_t;
551    
         }  
         XVID_ENC_STATS;  
552    
553    typedef struct{
554            /*stat output*/
555            int b_printstat;
556            char* stat_path;
557    
558            /*visualize*/
559            int b_visualize;
560    
561            /*accuracy 0 very accurate 4 very fast*/
562            int acc;
563    
564        int cpu_flags; /* XVID_CPU_XXX flags */
565    
566    } xvid_plugin_ssim_t;
567    
568    typedef struct {
569            int version;
570    
571            int method;      /* [in] masking method to apply. 0 for luminance masking, 1 for variance masking */
572    } xvid_plugin_lumimasking_t;
573    
574  /*****************************************************************************  /*****************************************************************************
575   * Encoder entry point   *                             ENCODER API
576   ****************************************************************************/   ****************************************************************************/
577    
578  /* Encoder options */  /*----------------------------------------------------------------------------
579  #define XVID_ENC_ENCODE         0   * Encoder operations
580  #define XVID_ENC_CREATE         1   *--------------------------------------------------------------------------*/
581  #define XVID_ENC_DESTROY        2  
582    #define XVID_ENC_CREATE  0 /* create encoder instance; returns 0 on success */
583          int xvid_encore(void *handle,  #define XVID_ENC_DESTROY 1 /* destroy encoder instance; returns 0 on success */
584                                          int opt,  #define XVID_ENC_ENCODE  2 /* encode a frame: returns number of ouput bytes
585                                          void *param1,                              * 0 means this frame should not be written (ie. encoder lag) */
586                                          void *param2);  
587    
588    /*----------------------------------------------------------------------------
589     * Encoder entry point
590     *--------------------------------------------------------------------------*/
591    
592    extern int xvid_encore(void *handle, int opt, void *param1, void *param2);
593    
594    /* Quick API reference
595     *
596     * XVID_ENC_CREATE operation
597     *  - handle: ignored
598     *  - opt: XVID_ENC_CREATE
599     *  - param1: address of a xvid_enc_create_t structure
600     *  - param2: ignored
601     *
602     * XVID_ENC_ENCODE operation
603     *  - handle: an instance returned by a CREATE op
604     *  - opt: XVID_ENC_ENCODE
605     *  - param1: address of a xvid_enc_frame_t structure
606     *  - param2: address of a xvid_enc_stats_t structure (optional)
607     *            its return value is asynchronous to what is written to the buffer
608     *            depending on the delay introduced by bvop use. It's display
609     *            ordered.
610     *
611     * XVID_ENC_DESTROY operation
612     *  - handle: an instance returned by a CREATE op
613     *  - opt: XVID_ENC_DESTROY
614     *  - param1: ignored
615     *  - param2: ignored
616     */
617    
618    
619    /*----------------------------------------------------------------------------
620     * "Global" flags
621     *
622     * These flags are used for xvid_enc_create_t->global field during instance
623     * creation (operation XVID_ENC_CREATE)
624     *--------------------------------------------------------------------------*/
625    
626    #define XVID_GLOBAL_PACKED            (1<<0) /* packed bitstream */
627    #define XVID_GLOBAL_CLOSED_GOP        (1<<1) /* closed_gop:     was DX50BVOP dx50 bvop compatibility */
628    #define XVID_GLOBAL_EXTRASTATS_ENABLE (1<<2)
629    #if 0
630    #define XVID_GLOBAL_VOL_AT_IVOP       (1<<3) /* write vol at every ivop: WIN32/divx compatibility */
631    #define XVID_GLOBAL_FORCE_VOL         (1<<4) /* when vol-based parameters are changed, insert an ivop NOT recommended */
632    #endif
633    #define XVID_GLOBAL_DIVX5_USERDATA    (1<<5) /* write divx5 userdata string
634                                                    this is implied if XVID_GLOBAL_PACKED is set */
635    
636    /*----------------------------------------------------------------------------
637     * "VOL" flags
638     *
639     * These flags are used for xvid_enc_frame_t->vol_flags field during frame
640     * encoding (operation XVID_ENC_ENCODE)
641     *--------------------------------------------------------------------------*/
642    
643    #define XVID_VOL_MPEGQUANT      (1<<0) /* enable MPEG type quantization */
644    #define XVID_VOL_EXTRASTATS     (1<<1) /* enable plane sse stats */
645    #define XVID_VOL_QUARTERPEL     (1<<2) /* enable quarterpel: frames will encoded as quarterpel */
646    #define XVID_VOL_GMC            (1<<3) /* enable GMC; frames will be checked for gmc suitability */
647    #define XVID_VOL_REDUCED_ENABLE (1<<4) /* enable reduced resolution vops: frames will be checked for rrv suitability */
648                                                                               /* NOTE:  the reduced resolution feature is not supported anymore. This flag will have no effect! */
649    #define XVID_VOL_INTERLACING    (1<<5) /* enable interlaced encoding */
650    
651    
652    /*----------------------------------------------------------------------------
653     * "VOP" flags
654     *
655     * These flags are used for xvid_enc_frame_t->vop_flags field during frame
656     * encoding (operation XVID_ENC_ENCODE)
657     *--------------------------------------------------------------------------*/
658    
659    /* Always valid */
660    #define XVID_VOP_DEBUG                (1<< 0) /* print debug messages in frames */
661    #define XVID_VOP_HALFPEL              (1<< 1) /* use halfpel interpolation */
662    #define XVID_VOP_INTER4V              (1<< 2) /* use 4 motion vectors per MB */
663    #define XVID_VOP_TRELLISQUANT         (1<< 3) /* use trellis based R-D "optimal" quantization */
664    #define XVID_VOP_CHROMAOPT            (1<< 4) /* enable chroma optimization pre-filter */
665    #define XVID_VOP_CARTOON              (1<< 5) /* use 'cartoon mode' */
666    #define XVID_VOP_GREYSCALE            (1<< 6) /* enable greyscale only mode (even for  color input material chroma is ignored) */
667    #define XVID_VOP_HQACPRED             (1<< 7) /* high quality ac prediction */
668    #define XVID_VOP_MODEDECISION_RD      (1<< 8) /* enable DCT-ME and use it for mode decision */
669    #define XVID_VOP_FAST_MODEDECISION_RD (1<<12) /* use simplified R-D mode decision */
670    #define XVID_VOP_RD_BVOP              (1<<13) /* enable rate-distortion mode decision in b-frames */
671    #define XVID_VOP_RD_PSNRHVSM          (1<<14) /* use PSNR-HVS-M as metric for rate-distortion optimizations */
672    
673    /* Only valid for vol_flags|=XVID_VOL_INTERLACING */
674    #define XVID_VOP_TOPFIELDFIRST        (1<< 9) /* set top-field-first flag  */
675    #define XVID_VOP_ALTERNATESCAN        (1<<10) /* set alternate vertical scan flag */
676    
677    /* only valid for vol_flags|=XVID_VOL_REDUCED_ENABLED */
678    #define XVID_VOP_REDUCED              (1<<11) /* reduced resolution vop */
679                                                                                              /* NOTE: reduced resolution feature is not supported anymore. This flag will have no effect! */
680    
681    /*----------------------------------------------------------------------------
682     * "Motion" flags
683     *
684     * These flags are used for xvid_enc_frame_t->motion field during frame
685     * encoding (operation XVID_ENC_ENCODE)
686     *--------------------------------------------------------------------------*/
687    
688    /* Motion Estimation Search Patterns */
689    #define XVID_ME_ADVANCEDDIAMOND16     (1<< 0) /* use advdiamonds instead of diamonds as search pattern */
690    #define XVID_ME_ADVANCEDDIAMOND8      (1<< 1) /* use advdiamond for XVID_ME_EXTSEARCH8 */
691    #define XVID_ME_USESQUARES16          (1<< 2) /* use squares instead of diamonds as search pattern */
692    #define XVID_ME_USESQUARES8           (1<< 3) /* use square for XVID_ME_EXTSEARCH8 */
693    
694    /* SAD operator based flags */
695    #define XVID_ME_HALFPELREFINE16       (1<< 4)
696    #define XVID_ME_HALFPELREFINE8        (1<< 6)
697    #define XVID_ME_QUARTERPELREFINE16    (1<< 7)
698    #define XVID_ME_QUARTERPELREFINE8     (1<< 8)
699    #define XVID_ME_GME_REFINE            (1<< 9)
700    #define XVID_ME_EXTSEARCH16           (1<<10) /* extend PMV by more searches */
701    #define XVID_ME_EXTSEARCH8            (1<<11) /* use diamond/square for extended 8x8 search */
702    #define XVID_ME_CHROMA_PVOP           (1<<12) /* also use chroma for P_VOP/S_VOP ME */
703    #define XVID_ME_CHROMA_BVOP           (1<<13) /* also use chroma for B_VOP ME */
704    #define XVID_ME_FASTREFINE16          (1<<25) /* use low-complexity refinement functions */
705    #define XVID_ME_FASTREFINE8           (1<<29) /* low-complexity 8x8 sub-block refinement */
706    
707    /* Rate Distortion based flags
708     * Valid when XVID_VOP_MODEDECISION_RD is enabled */
709    #define XVID_ME_HALFPELREFINE16_RD    (1<<14) /* perform RD-based halfpel refinement */
710    #define XVID_ME_HALFPELREFINE8_RD     (1<<15) /* perform RD-based halfpel refinement for 8x8 mode */
711    #define XVID_ME_QUARTERPELREFINE16_RD (1<<16) /* perform RD-based qpel refinement */
712    #define XVID_ME_QUARTERPELREFINE8_RD  (1<<17) /* perform RD-based qpel refinement for 8x8 mode */
713    #define XVID_ME_EXTSEARCH_RD          (1<<18) /* perform RD-based search using square pattern enable XVID_ME_EXTSEARCH8 to do this in 8x8 search as well */
714    #define XVID_ME_CHECKPREDICTION_RD    (1<<19) /* always check vector equal to prediction */
715    
716    /* Other */
717    #define XVID_ME_DETECT_STATIC_MOTION  (1<<24) /* speed-up ME by detecting stationary scenes */
718    #define XVID_ME_SKIP_DELTASEARCH      (1<<26) /* speed-up by skipping b-frame delta search */
719    #define XVID_ME_FAST_MODEINTERPOLATE  (1<<27) /* speed-up by partly skipping interpolate mode */
720    #define XVID_ME_BFRAME_EARLYSTOP      (1<<28) /* speed-up by early exiting b-search */
721    
722    /* Unused */
723    #define XVID_ME_UNRESTRICTED16        (1<<20) /* unrestricted ME, not implemented */
724    #define XVID_ME_OVERLAPPING16         (1<<21) /* overlapping ME, not implemented */
725    #define XVID_ME_UNRESTRICTED8         (1<<22) /* unrestricted ME, not implemented */
726    #define XVID_ME_OVERLAPPING8          (1<<23) /* overlapping ME, not implemented */
727    
728    
729    /*----------------------------------------------------------------------------
730     * xvid_enc_create_t structure definition
731     *
732     * This structure is passed as param1 during an instance creation (operation
733     * XVID_ENC_CREATE)
734     *--------------------------------------------------------------------------*/
735    
736    typedef struct {
737            int version;
738    
739            int profile;                 /* [in] profile@level; refer to XVID_PROFILE_xxx */
740            int width;                   /* [in] frame dimensions; width, pixel units */
741            int height;                  /* [in] frame dimensions; height, pixel units */
742    
743            int num_zones;               /* [in:opt] number of bitrate zones */
744            xvid_enc_zone_t * zones;     /*          ^^ zone array */
745    
746            int num_plugins;             /* [in:opt] number of plugins */
747            xvid_enc_plugin_t * plugins; /*          ^^ plugin array */
748    
749            int num_threads;             /* [in:opt] number of threads to use in encoder */
750            int max_bframes;             /* [in:opt] max sequential bframes (0=disable bframes) */
751    
752            int global;                  /* [in:opt] global flags; controls encoding behavior */
753    
754            /* --- vol-based stuff; included here for convenience */
755            int fincr;                   /* [in:opt] framerate increment; set to zero for variable framerate */
756            int fbase;                   /* [in] framerate base frame_duration = fincr/fbase seconds*/
757        /* ---------------------------------------------- */
758    
759            /* --- vop-based; included here for convenience */
760            int max_key_interval;        /* [in:opt] the maximum interval between key frames */
761    
762            int frame_drop_ratio;        /* [in:opt] frame dropping: 0=drop none... 100=drop all */
763    
764            int bquant_ratio;            /* [in:opt] bframe quantizer multipier/offeset; used to decide bframes quant when bquant==-1 */
765            int bquant_offset;           /* bquant = (avg(past_ref_quant,future_ref_quant)*bquant_ratio + bquant_offset) / 100 */
766    
767            int min_quant[3];            /* [in:opt] */
768            int max_quant[3];            /* [in:opt] */
769            /* ---------------------------------------------- */
770    
771            void *handle;                /* [out] encoder instance handle */
772    
773            /* ------- v1.3.x ------- */
774            int start_frame_num;         /* [in:opt] frame number of start frame relative to zones definitions. allows to encode sub-sequences */
775            int num_slices;              /* [in:opt] number of slices to code for each frame */
776    } xvid_enc_create_t;
777    
778    
779    /*----------------------------------------------------------------------------
780     * xvid_enc_frame_t structure definition
781     *
782     * This structure is passed as param1 during a frame encoding (operation
783     * XVID_ENC_ENCODE)
784     *--------------------------------------------------------------------------*/
785    
786    /* out value for the frame structure->type field
787     * unlike stats output in param2, this field is not asynchronous and tells
788     * the client app, if the frame written into the stream buffer is an ivop
789     * usually used for indexing purpose in the container */
790    #define XVID_KEYFRAME (1<<1)
791    
792    /* The structure */
793    typedef struct {
794            int version;
795    
796            /* VOL related stuff
797             * unless XVID_FORCEVOL is set, the encoder will not react to any changes
798             * here until the next VOL (keyframe). */
799    
800            int vol_flags;                     /* [in] vol flags */
801            unsigned char *quant_intra_matrix; /* [in:opt] custom intra qmatrix */
802            unsigned char *quant_inter_matrix; /* [in:opt] custom inter qmatrix */
803    
804            int par;                           /* [in:opt] pixel aspect ratio (refer to XVID_PAR_xxx above) */
805            int par_width;                     /* [in:opt] aspect ratio width */
806            int par_height;                    /* [in:opt] aspect ratio height */
807    
808            /* Other fields that can change on a frame base */
809    
810            int fincr;                         /* [in:opt] framerate increment, for variable framerate only */
811            int vop_flags;                     /* [in] (general)vop-based flags */
812            int motion;                        /* [in] ME options */
813    
814            xvid_image_t input;                /* [in] input image (read from) */
815    
816            int type;                          /* [in:opt] coding type */
817            int quant;                         /* [in] frame quantizer; if <=0, automatic (ratecontrol) */
818            int bframe_threshold;
819    
820            void *bitstream;                   /* [in:opt] bitstream ptr (written to)*/
821            int length;                        /* [in:opt] bitstream length (bytes) */
822    
823            int out_flags;                     /* [out] bitstream output flags */
824    } xvid_enc_frame_t;
825    
826  #ifdef __cplusplus  #ifdef __cplusplus
827  }  }
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